Greenheck Sure-Aire Installation, Operation And Maintenance Manual Download Page 6

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Sure-Aire™ Flow Monitoring System

Menu Structure

See page 7 for parameter
Setup menu.

Up / Down

Setup

Air Density

Air Flow

Temperature Sensor

Installed

Electronics Temperature

Differential Pressure

Measurement

Pressure Sensor Range

K-Factor

Software Version

Transmitter Output Type

Units

Elevation

Main Menu

Summary of Contents for Sure-Aire

Page 1: ...ty Remote duct temperature sensor Programmable elevation English or metric readings Hardware Required Four 4 8 32 screws 1 4 inch nylon tubing length dependent on distance between fan and Sure Aire electronics maximum 75 feet 23 m each line Sensor wiring for temperature sensor if temperature sensor is being used Pressure ranges reflect differential pressures between the fan inlet and inlet cone no...

Page 2: ...dure 13 Temperature Sensor 14 Network Protocol Optional 14 Analog Output Signal Optional 15 Calculation Using Manual Pressure Gauge or Third Party Transducer 15 K Factors 16 Label Information Match the Tag Mark on the Sure Aire electronics tag to the Tag Mark on the fan nameplate Sure Aire electronics are supplied set up individually for a specific model and performance Contact factory if Sure Air...

Page 3: ...s a convenience to the user The ideal environment for the storage of electronics is indoors above grade in a low humidity atmosphere which is sealed to prevent the entry of blowing dust rain or snow Temperatures should be evenly maintained between 30 to 110 F 1 to 43 C Wide temperature swings may cause condensation and sweating of metal parts All accessories must be stored indoors in a clean dry a...

Page 4: ...page 9 6 Wire TB3 appropriately for the selected Output Signal in Step 5 Terminal Block TB3 Transmitter Temperature Sensor Pin 6 4 20 mA or 2 10 VDC output Note 4 to 20 mA requires a load resistor 200 900 ohms Pin 7 4 20 mA or 2 10 VDC output Pin 8 Shield Pin 9 Remote Temperature Sensor input Pin 10 Remote Temperature Sensor input 7 Select the desire network protocol of the electronics for the Bui...

Page 5: ...Refer to Setup Menu Temperature Compensation page 9 10 When the above steps are completed make sure the front cover is properly aligned to the housing and the two captive thumbscrews are securely tightened Network Input Register Address Object Name Modbus BACnet 16 bit address 16 bit address K Factor 0 0 Elevation 1 1 Outlet Area 3 2 Flow Temperature 2 3 Pressure 4 4 Volume 5 5 Velocity 6 6 4 Wire...

Page 6: ...e page 7 for parameter Setup menu Up Down Setup Air Density Air Flow Temperature Sensor Installed Electronics Temperature Differential Pressure Measurement Pressure Sensor Range K Factor Software Version Transmitter Output Type Units Elevation Main Menu ...

Page 7: ...ns Yes default No Output Signal 4 20mA default 2 10 VDC Linearize By Flow default Pressure Protocol Baud Rate Network Address Device Instance Number Transmitter Min Max Value Display Brightness Load Factory Defaults Load Customer Defaults Save Customer Defaults Protocol BACnet default Modbus Baud Rate Network Address Device Instance Number Transmitter Calibration See manual for details Modbus 2400...

Page 8: ...you are in i e Setup will change to Home and Home will change to Edit Home Screen To view display variables use the Up and Down buttons to scroll through the list To adjust parameters press Setup and scroll through the settings Air density Flow Temperature sensor installed Electronics temperature Differential pressure measurement Pressure sensor range K Factor Software version Transmitter output t...

Page 9: ... standard temperature 70 F 21 C Output Signal Output Signal Press Edit to change Output Signal type Press Prev or Next to adjust then press Enter to store the value 4 20 mA default 2 10 VDC Linearize By Press Edit to change the linearization settings The electronics will linearize the transmitter output with respect to this setting Flow default Pressure Note The maximum measurable flow rate will a...

Page 10: ...ss can be modified Device Instance Number BACnet only The instance number is an unsigned decimal number that can range from 0 to 4 194 302 Every device on a BACnet network gets an instance number and two devices must not have the same number Press Edit to adjust the Device Instance Number then press Enter to store the value 0 4 194 302 Transmitter Min Max Value Transmitter Min Value Press Edit to ...

Page 11: ... Next to select Yes then press Enter No default Yes loads all customer default settings Greenheck Sure Aire V 2 00 Display Brightness 75 Exit Prev Next Edit Enter Greenheck Sure Aire V 2 00 Load Factory Defaults No Exit Prev Next Edit Enter Greenheck Sure Aire V 2 00 Load Customer Defaults No Exit Prev Next Edit Enter Save Customer Defaults Press Edit to save current electronics settings as the cu...

Page 12: ...pply a vacuum to the Low Port and the 4 20 mA transmitter to track the span of the pressure range For example the Sure Aire electronics with a pressure sensor of 0 41 51 in wg installed 4 00 mA 0 in wg 20 00 mA 41 52 in wg WARNING Due to load resistance change from product to product it may be necessary to recalibrate the 4 20 mA transmitter 2 9 Keep pressing the Next button until you reach the Tr...

Page 13: ...the Transmitter Min Value screen 2 8 Press Edit then Inc or Dec until the digital multimeter reads exactly 2 00 VDC 2 9 Press Enter to store the new value Greenheck Sure Aire V 2 00 Transmitter Min Value 1827 Exit Prev Next Edit Enter 2 10 Press Next 2 11 On the Transmitter Max Value screen press Enter then Inc or Dec until the digital multimeter reads exactly 10 00 mA 2 12 Press Enter to store th...

Page 14: ...ies 3 Max Master Address 127 Max Info Frames 1 Modbus RTU Slave When the electronics is configured for Modbus it will expose a total of seven 7 registers on the network The Modbus RTU Slave settings and list of registers can be seen below Modbus RTU Slave Device Settings Setting Value Baud Rate Set to match BMS Parity No Parity 1 Stop Bit Timeout ms 0 Response Delay ms 0 BACnet MS TP Server Object...

Page 15: ...inear to pressure the corresponding equations are used to calculate the flow Calculating flow for 2 10 VDC output signal Calculating flow for 4 20 mA output signal CFM K V 2 Pmax 8ρ CFM K mA 4 Pmax 16ρ Analog Output Signal Optional K Constant dependent on fan model and size see page 9 Pmax Maximum pressure of electronics in wg ρ Air density lb ft F 0 075 at 70 F and 0 ft elevation V Output voltage...

Page 16: ...cable 450 536 10 not applicable not applicable 179 not applicable 179 202 not applicable 500 652 12 355 592 244 408 244 296 not applicable 560 847 13 not applicable 701 not applicable not applicable 296 351 not applicable 630 1053 15 355 861 366 603 366 not applicable 526 16 421 1062 not applicable 724 443 531 634 18 517 1083 542 897 542 787 20 617 1301 651 1088 651 not applicable 955 22 759 1610 ...

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